TM 9-2320-209-10-1
(4) On later model M44A2 series trucks with LD465-1C and LDT 465-1C engines
(except M50A2 water tankers), a stack-type exhaust system is used. The upper exhaust
pipe (stack) is mounted on the right side of truck and extends above cab top.
and LDT 465-1C Engines).
